package com.example.demo.customer;

import com.example.demo.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.List;
import java.util.Objects;

@Service

public class CustomerService {

    private final static Logger LOGGER= LoggerFactory.getLogger(CustomerService.class);
    private  final CustomerRepositroy customerRepositroy;


    @Autowired
    public CustomerService( CustomerRepositroy customerRepositroy){
        this.customerRepositroy = customerRepositroy;
    }

   List<Customer> getCustomers() {
        LOGGER.info("getCustomers called");
     return customerRepositroy.findAll();
    }

    Customer getCustomer(Long id) {
        return customerRepositroy
                .findById(id)
                .orElseThrow(() -> {
                    NotFoundException notFoundException = new NotFoundException("customer " + id +"无法找到");
                    LOGGER.error("error: getCustomer" + id,notFoundException);
                    return notFoundException;
                });

    }
}
